Robust acoustic bird recognition for habitat monitoring with wireless sensor networks

A Boulmaiz, D Messadeg, N Doghmane… - International Journal of …, 2016 - Springer
The key solution to study birds in their natural habitat is the continuous survey using wireless
sensors networks (WSN). The final objective of this study is to conceive a system for …

Design and implementation of a robust acoustic recognition system for waterbird species using TMS320C6713 DSK

A Boulmaiz, D Messadeg, N Doghmane… - Sensor Technology …, 2020 - igi-global.com
In this paper, a new real-time approach for audio recognition of waterbird species in noisy
environments, based on a Texas Instruments DSP, ie TMS320C6713 is proposed. For noise …

The use of WSN (wireless sensor network) in the surveillance of endangered bird species

A Boulmaiz, N Doghmane, S Harize, N Kouadria… - Advances in ubiquitous …, 2020 - Elsevier
Wetlands are home to an impressive number of fauna and flora, some of which are
threatened with extinction. There is a large number of wetlands around the world, among …

Weighted sigmoid-based frequency-selective noise filtering for speech denoising

N Sharma, MK Singh, SY Low, A Kumar - Circuits, Systems, and Signal …, 2021 - Springer
Estimation of noise often has a major impact on the quality of enhanced signal, especially
when it comes in speech enhancement applications. The non-stationary noise statistics vary …

Bayesian noise estimation in the modulation domain

MK Singh, SY Low, S Nordholm, Z Zang - Speech Communication, 2018 - Elsevier
Modulation domain has been reported to be a better alternative to time-frequency domain for
speech enhancement, as speech intelligibility is closely linked with the modulation …

Optimized Sigmoid Functions for Speech Presence Probability and Gain Function in Speech Enhancement

HH Dam, S Nordholm, PC Yong, SY Low - Circuits, Systems, and Signal …, 2024 - Springer
Speech presence probability (SPP) and gain functions such as Wiener filter or MMSE
estimators require an estimate of the a-priori signal-to-noise ratio (SNR). However, the …

Assistive listening headsets for high noise environments: Protection and communication

S Nordholm, A Davis, PC Yong… - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
In industrial noise environments, the use of assistive listening headsets is a means to
provide adequate access to voice communication while wearing hearing protection. This …

Accelerated Conjugate Gradient for Second-Order Blind Signal Separation

HH Dam, S Nordholm - Acoustics, 2022 - mdpi.com
This paper proposes a new adaptive algorithm for the second-order blind signal separation
(BSS) problem with convolutive mixtures by utilising a combination of an accelerated …

Effective binaural multi-channel processing algorithm for improved environmental presence

PC Yong, S Nordholm, HH Dam - IEEE/ACM Transactions on …, 2014 - ieeexplore.ieee.org
Binaural noise-reduction algorithms based on multi-channel Wiener filter (MWF) are
promising techniques to be used in binaural assistive listening devices. The real-time …

Real time noise suppression in social settings comprising a mixture of non-stationary anc transient noise

PC Yong, S Nordholm - 2017 25th European Signal Processing …, 2017 - ieeexplore.ieee.org
Hearable is a recently emerging term that describes a wireless earpiece that enhances the
user's listening experience in various acoustic environment. Another important feature of …